COHH is trading at $5.75, up 3.60%, with no specific overnight catalyst identified in available reporting. - COHR closed September 30 down 1.51% and rose 0.11% after hours; this does not confirm a matching pre-market move. - Nasdaq futures were up 0.61%, while futures were mixed overall. Manufacturing data due later could affect sentiment, but neither the scheduled release nor mixed market signals establish the cause of COHH’s pre-market gain.